2154034442330 has 32 divisors (see below), whose sum is σ = 3982158945936. Its totient is φ = 838304584704.

The previous prime is 2154034442323. The next prime is 2154034442347. The reversal of 2154034442330 is 332444304512.

It can be written as a sum of positive squares in 8 ways, for example, as 660073377601 + 1493961064729 = 812449^2 + 1222277^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23522192 + ... + 23613588.

Almost surely, 2^{2154034442330} is an apocalyptic number.

2154034442330 is a deficient number, since it is larger than the sum of its proper divisors (1828124503606).

2154034442330 is a wasteful number, since it uses less digits than its factorization.

2154034442330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155138.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 2154034442330 its reverse (332444304512), we get a palindrome (2486478746842).

The spelling of 2154034442330 in words is "two trillion, one hundred fifty-four billion, thirty-four million, four hundred forty-two thousand, three hundred thirty".